when there are dented cans
When the only force acting<span> on a falling </span>object<span> is </span>gravity<span>, the </span>object<span> is said to be in free fall. </span>force<span> of </span>gravity<span> is an unbalanced </span>force<span>, which causes an </span>object<span> to accelerate. Near the surface of Earth, the acceleration due to </span>gravity<span> is 9.8 m/s2.</span>
1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
Xylem tissue that should help you out